Silicon Laboratories M88, User Manual

Page: 10 / 27

M88 Evaluation Kit User Guide Front side connectors
STO-DEV7227-HB Rev. 2.1 10
7 Front side connectors
Figure 3. M88 Evaluation Kit front side connector placement.
Name Type Description
FREQOUT SMA female Synthonized frequency selectable through SW 5/10/20/25 MHz
OUT1 -/+ SMA female Configurable low jitter frequency output. Use + for single ended.
OUT2 -/+ SMA female Configurable low jitter frequency output. Use + for single ended.
OUT3 -/+ SMA female Configurable low jitter frequency output. Use + for single ended.
OUT4 -/+ SMA female Configurable low jitter frequency output. Use + for single ended.
OUT5 -/+ SMA female Configurable low jitter frequency output. Use + for single ended.
Port 1 RJ45 with
integrated LED
and SFP slot Primary Gigabit Ethernet. Use either RJ45 or SFP. RJ45 supports
Power over Ethernet.
ToD/1PPS Out RJ45 ToD and 1 PPS according to G.703 V.11. 1 PPS in RJ45 same signal
as 1 PPS Out on SMA.
PPS Out SMA female Configurable PPS, default 1PPS 100ms positive pulse. 50 Ω
Table 1. M88 Evaluation Kit front side connector descriptions.
Port 1
ToD/
1PPS
Out